TT Coupe L4-1.8L Turbo (AWP) (2005)
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Select the diagnosis function "08 - Read data block" from the menu -1-.
Display on VAS 5051:
1
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Enter display group
(figures up to 255)
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Using the keypad -2-, enter "004" to select Display group 004 and confirm entry with Q button.
Display on VAS 5051:
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Check display value for engine coolant temperature sensor (display zone -3-).
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Press the <- button to exit from the function "08 - Read data block".
If display zone 3 shows an implausible value:
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Unplug connector on engine coolant temperature sensor.
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Connect multimeter (resistance test range) between contacts C and D on the sender.
Scale A shows resistance values for temperature range 0 to 50 degrees C and scale B the values for temperature range 50 to 100 degrees C.